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samba-mirror/libcli/auth/wscript_build
Stefan Metzmacher d3123858fb CVE-2020-1472(ZeroLogon): libcli/auth: reject weak client challenges in netlogon_creds_server_init()
This implements the note from MS-NRPC 3.1.4.1 Session-Key Negotiation:

 7. If none of the first 5 bytes of the client challenge is unique, the
    server MUST fail session-key negotiation without further processing of
    the following steps.

It lets ./zerologon_tester.py from
https://github.com/SecuraBV/CVE-2020-1472.git
report: "Attack failed. Target is probably patched."

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14497

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
2020-09-18 12:48:38 +00:00

84 lines
2.3 KiB
Python

#!/usr/bin/env python
bld.SAMBA_LIBRARY('cliauth',
source='',
deps='MSRPC_PARSE LIBCLI_AUTH COMMON_SCHANNEL PAM_ERRORS SPNEGO_PARSE krb5samba samba-errors NTLM_CHECK UTIL_LSARPC',
private_library=True,
grouping_library=True)
bld.SAMBA_SUBSYSTEM('MSRPC_PARSE',
source='msrpc_parse.c',
deps='talloc'
)
bld.SAMBA_SUBSYSTEM('NTLM_CHECK',
source='ntlm_check.c',
deps = 'talloc LIBCLI_AUTH'
)
bld.SAMBA_SUBSYSTEM('LIBCLI_AUTH',
source='credentials.c session.c smbencrypt.c smbdes.c',
public_deps='MSRPC_PARSE gnutls GNUTLS_HELPERS util_str_escape',
public_headers='credentials.h:domain_credentials.h'
)
bld.SAMBA_SUBSYSTEM('COMMON_SCHANNEL',
source='schannel_state_tdb.c',
deps='dbwrap util_tdb samba-hostconfig NDR_NETLOGON'
)
bld.SAMBA_SUBSYSTEM('NETLOGON_CREDS_CLI',
source='netlogon_creds_cli.c',
deps='dbwrap util_tdb tevent-util samba-hostconfig RPC_NDR_NETLOGON NDR_NETLOGON'
)
bld.SAMBA_SUBSYSTEM('PAM_ERRORS',
source='pam_errors.c',
deps='talloc'
)
bld.SAMBA_SUBSYSTEM('SPNEGO_PARSE',
source='spnego_parse.c',
deps='asn1util')
bld.SAMBA_BINARY(
'test_ntlm_check',
source='tests/ntlm_check.c',
deps='''
NTLM_CHECK
CREDENTIALS_NTLM
samba-credentials
cmocka
talloc
''',
for_selftest=True
)
bld.SAMBA_BINARY('test_rc4_passwd_buffer',
source='tests/test_rc4_passwd_buffer.c',
deps='''
INIT_SAMR
LIBCLI_AUTH
cmocka
''',
for_selftest=True)
bld.SAMBA_BINARY('test_schannel',
source='tests/test_schannel.c',
deps='''
gensec
cmocka
''',
for_selftest=True)
bld.SAMBA_BINARY('test_gnutls',
source='tests/test_gnutls.c',
deps='''
gnutls
LIBCLI_AUTH
cmocka
samba-util
''',
for_selftest=True)